Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002

Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002

[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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All modes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 8.9 9.6 18.0
Less than 50 miles 7.9 2.1 6.0 2.9 6.5 0.6
50 to 99 miles 15.7 0.9 12.5 1.0 14.0 0.6
100 to 249 miles 12.0 0.8 11.7 1.0 13.1 2.4
250 to 499 miles 12.1 1.4 34.9 2.6 38.2 3.9
500 to 749 miles 9.3 0.8 13.6 0.5 17.0 1.9
750 to 999 miles 34.5 1.1 21.3 0.3 23.6 1.7
1,000 to 1,499 miles 13.5 0.4 21.3 0.4 21.7 2.2
1,500 to 1,999 miles 8.0 0.2 15.9 17.7 0.7
2,000 miles or more 21.4 0.3 15.6 15.1 0.9

Single modes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 10.3 10.3 18.3
Less than 50 miles 9.9 2.4 6.2 2.9 6.1 0.7
50 to 99 miles 17.0 0.9 12.9 1.0 14.4 0.6
100 to 249 miles 13.2 0.9 12.8 1.0 13.3 1.8
250 to 499 miles 13.1 1.6 36.6 2.7 39.8 4.4
500 to 749 miles 11.6 1.0 14.0 0.6 17.3 2.1
750 to 999 miles 40.7 1.1 22.9 0.3 24.5 2.0
1,000 to 1,499 miles 15.6 0.5 24.2 0.4 24.8 2.3
1,500 to 1,999 miles 10.3 0.2 12.0 12.2 0.7
2,000 miles or more 27.7 0.3 19.7 19.1 1.0

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 8.5 6.4 9.3
Less than 50 miles 10.4 2.3 7.0 2.4 6.8 0.7
50 to 99 miles 18.1 1.2 10.3 0.7 9.4 0.7
100 to 249 miles 14.2 1.3 5.8 0.6 6.2 1.2
250 to 499 miles 11.8 1.8 24.9 2.2 20.8 2.6
500 to 749 miles 13.0 1.0 13.2 0.4 13.0 1.0
750 to 999 miles 14.8 0.2 8.3 0.1 7.8 0.6
1,000 to 1,499 miles 18.0 0.5 15.3 0.2 15.7 1.4
1,500 to 1,999 miles 10.9 0.2 12.8 12.9 1.0
2,000 miles or more 31.3 0.4 23.3 0.1 22.9 1.4

For-hire truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 12.2 11.3 11.1
Less than 50 miles 12.2 1.5 11.7 2.5 9.5 0.4
50 to 99 miles 27.8 1.6 15.8 1.2 16.0 0.8
100 to 249 miles 18.0 1.6 9.6 1.1 9.5 1.0
250 to 499 miles 13.2 2.3 28.3 2.4 23.8 2.8
500 to 749 miles 16.6 1.1 13.7 0.7 13.5 1.3
750 to 999 miles 15.2 0.3 8.0 0.2 7.6 0.7
1,000 to 1,499 miles 16.5 0.6 16.9 0.4 17.2 1.9
1,500 to 1,999 miles 9.4 0.2 13.6 0.1 13.7 1.1
2,000 miles or more 35.9 0.5 25.3 0.2 24.9 1.7

Private truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 7.6 9.0 10.5
Less than 50 miles 11.7 2.9 10.3 2.7 11.1 3.0
50 to 99 miles 11.4 1.9 16.0 1.4 14.5 1.7
100 to 249 miles 14.5 2.0 13.9 1.2 15.0 2.4
250 to 499 miles 15.6 0.9 18.1 0.7 18.7 2.3
500 to 749 miles 32.5 1.4 16.5 0.2 16.6 0.9
750 to 999 miles 21.6 0.1 44.4 0.1 44.2 1.2
1,000 to 1,499 miles 37.3 0.4 34.4 0.1 35.2 1.6
1,500 to 1,999 miles 35.5 0.4 30.1 30.3 1.3
2,000 miles or more S S 48.4 47.4 1.2

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 43.2 44.1 38.1
Less than 50 miles 46.3 2.9 S S 46.7 0.6
50 to 99 miles 29.1 0.8 40.6 1.2 42.5 0.2
100 to 249 miles 19.7 5.7 36.2 6.6 33.3 4.4
250 to 499 miles S S S S S S
500 to 749 miles 21.0 4.0 24.2 2.3 25.2 2.9
750 to 999 miles S S S S S S
1,000 to 1,499 miles 40.0 3.2 46.3 2.2 46.5 4.4
1,500 to 1,999 miles 26.8 0.7 33.2 0.4 33.0 1.2
2,000 miles or more 38.9 1.3 21.3 0.5 21.3 1.9

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 32.8 31.4 39.1
Less than 50 miles 45.7 11.3 33.8 11.5 49.8 10.4
50 to 99 miles S S 48.9 11.7 S S
100 to 249 miles 26.0 14.8 33.7 12.3 35.3 15.5
250 to 499 miles
500 to 749 miles 43.4 13.5 48.3 8.6 48.2 16.8
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Shallow draft

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 37.2 34.7 39.5
Less than 50 miles 43.2 11.9 43.0 11.3 S S
50 to 99 miles S S S S S S
100 to 249 miles 25.9 15.4 32.5 13.9 35.1 16.4
250 to 499 miles
500 to 749 miles 43.4 14.2 48.3 8.6 48.2 16.1
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Great Lakes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances S S S S S S
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles S S S S S S
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Deep draft

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances S S S S S S
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Air (including truck and air)

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 11.8 28.8 29.3
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 29.7 2.9 S S S S
250 to 499 miles 23.6 5.1 41.9 7.3 35.9 4.2
500 to 749 miles 23.5 2.5 35.7 5.3 31.2 5.0
750 to 999 miles 21.8 2.6 S S S S
1,000 to 1,499 miles S S 31.7 1.7 35.0 3.1
1,500 to 1,999 miles 39.1 6.2 S S S S
2,000 miles or more 50.0 4.4 S S S S

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 21.2 23.3 S S
Less than 50 miles 28.6 12.3 27.8 11.5 S S
50 to 99 miles S S 47.0 7.3 S S
100 to 249 miles 45.5 8.4 44.3 8.5 S S
250 to 499 miles S S S S S S
500 to 749 miles S S
750 to 999 miles S S
1,000 to 1,499 miles S S
1,500 to 1,999 miles S S
2,000 miles or more S S

Multiple modes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 9.1 33.6 37.0
Less than 50 miles 27.5 1.6 18.0 2.0 11.9
50 to 99 miles 25.7 1.5 22.6 1.3 20.8 0.1
100 to 249 miles 16.7 1.4 S S S S
250 to 499 miles 8.3 1.9 19.3 4.1 20.3 2.0
500 to 749 miles 12.3 1.3 13.3 3.0 13.8 2.6
750 to 999 miles 15.5 1.1 S S S S
1,000 to 1,499 miles 18.5 1.0 33.8 0.6 34.2 1.3
1,500 to 1,999 miles 16.6 1.3 44.7 5.4 46.3 8.0
2,000 miles or more 14.9 0.8 46.1 3.9 45.9 7.0

Parcel, USPS or courier

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 10.7 10.1 11.4
Less than 50 miles 27.6 1.5 18.4 2.3 11.9
50 to 99 miles 25.7 1.6 22.6 1.0 20.8 0.1
100 to 249 miles 17.6 1.2 15.5 2.8 17.1 1.5
250 to 499 miles 8.4 2.1 13.8 2.0 14.0 1.6
500 to 749 miles 13.4 1.4 15.6 1.5 16.0 1.7
750 to 999 miles 13.6 1.2 17.8 1.7 18.0 3.1
1,000 to 1,499 miles 10.9 0.5 13.2 0.3 12.6 0.5
1,500 to 1,999 miles 20.0 0.9 30.8 1.5 31.5 4.6
2,000 miles or more 14.1 0.7 13.7 0.4 13.6 1.4

Truck and rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 32.1 38.8 42.5
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles S S S S 47.4 2.4
500 to 749 miles 42.0 5.3 28.1 5.3 28.5 3.0
750 to 999 miles S S S S S S
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 32.9 9.5 S S S S
2,000 miles or more S S S S S S

Truck and water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 49.3 44.2 47.9
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more S S S S 48.7 10.4

Rail and water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances S S S S S S
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Other Multiple modes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances S S S S S S
Less than 50 miles S S S S S S
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles S S S S S S
500 to 749 miles
750 to 999 miles S S S S S S
1,000 to 1,499 miles
1,500 to 1,999 miles
2,000 miles or more

Other and unknown modes

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 26.2 29.0 42.4
Less than 50 miles 31.8 9.9 26.8 7.1 30.0 3.1
50 to 99 miles 22.4 0.7 46.0 1.8 47.9 0.5
100 to 249 miles 16.6 3.6 44.1 2.8 43.9 2.3
250 to 499 miles 31.3 4.9 44.4 2.5 45.8 4.0
500 to 749 miles 23.1 1.9 S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles 12.2 0.6 45.3 1.9 45.7 5.9
1,500 to 1,999 miles S S S S S S
2,000 miles or more 49.1 0.7 S S S S

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.
CV Coefficient of variation of number

NOTE: The Introduction and appendixes give information onf confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual State Data, December 2004.